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Finding the Fourth Proportional to 18,041.69, 27,063.52 and 8,181.71

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Solution

The fourth proportional to 18,041.69, 27,063.52 and 8,181.71 is: 12,273.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,041.69 : 27,063.52 = 8,181.71 : x
  2. Step 2: Convert to fraction form
    18,041.69/27,063.52 = 8,181.71/x
  3. Step 3: Cross multiply
    18,041.69x = 27,063.52 × 8,181.71
  4. Step 4: Simplify right side
    18,041.69x = 221,425,817.94
  5. Step 5: Solve for x
    x = 221,425,817.94/18,041.69
  6. Step 6: Final answer
    x = 12,273.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.